Also called
ICD-10
Specialty
Onset
Reviewed
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OverviewOverview
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Etiology & Risk FactorsEtiology & Risk Factors
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PathophysiologyPathophysiology
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Clinical PresentationClinical Presentation
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History TakingHistory Taking
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Physical ExaminationPhysical Examination
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InvestigationsInvestigations
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DiagnosisDiagnosis
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ManagementManagement
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ComplicationsComplications
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PrognosisPrognosis
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Key Points / Clinical PearlsKey Points / Clinical Pearls
Overview
- Usually affects adults 60–80 years of age.
- Common risk factors include smoking, obesity, heavy alcohol consumption, and chronic pancreatitis.
- Most tumors develop in the head of the pancreas.
Etiology & Risk Factors
-Etiology and Risk factors for Pancreatic Cancer
- The exact cause of pancreatic carcinoma is unknown. It develops due to genetic changes that cause uncontrolled growth of pancreatic cells.
- Risk Factors
- Smoking (strongest risk factor)
- Age > 50 years
- Chronic pancreatitis (especially long-standing)
- Obesity
- Type 2 diabetes mellitus
- High alcohol consumption
- Occupational exposure to chemicals (e.g., dry cleaning and metalworking industries)
- Inherited genetic syndromes/family history (about 10% of cases), including BRCA mutations, Peutz-Jeghers syndrome, hereditary pancreatitis, and familial pancreatic cancer
Pathophysiology
Risk factors/genetic mutations → Uncontrolled growth of pancreatic ductal epithelial cells → Ductal adenocarcinoma develops → Tumor enlarges (usually in the head of the pancreas) → Bile duct and pancreatic duct obstruction → Painless jaundice ± pancreatitis → Local invasion of nearby tissues → Spread (metastasis), commonly to the liver → Weight loss, pain, advanced disease.
Clinical Presentation
Early stage of Pancreatic Cancer
- Usually no symptoms
Constitutional symptoms
- Weight loss
- Poor appetite
- Weakness
Gastrointestinal symptoms
- Epigastric pain radiating to the back
- Nausea
- Painless jaundice (especially with tumors in the head of the pancreas)
- Pale stools
- Dark urine
- Itching (pruritus)
- Diarrhea/steatorrhea (fatty stools) due to malabsorption
Other features of Pancreatic Cancer
- Hypercoagulability (e.g., Trousseau syndrome with migratory thrombophlebitis)
History Taking
Ask about:
- When did your symptoms start?
- Do you have upper abdominal (epigastric) pain? Does it radiate to your back?
- Have you noticed yellowing of your eyes or skin (jaundice)?
- Is your urine dark or your stool pale?
- Do you have itching (pruritus)?
- Have you had unintentional weight loss?
- Have you lost your appetite?
- Do you have nausea or vomiting?
- Have you noticed fatty stools (steatorrhea) or diarrhea?
- Have you recently developed diabetes or worsening blood sugar control?
- Do you smoke or have you smoked in the past?
- How much alcohol do you drink?
- Have you ever had chronic pancreatitis?
- Do you have a family history of pancreatic cancer or inherited cancer syndromes (e.g., BRCA mutation)?
- Have you had any previous pancreatic or biliary disease?
Physical Examination
General Examination of Pancreatic Cancer
- Weight loss and cachexia
- Weakness and fatigue
- Jaundice (yellow skin and sclera)
- Scratch marks due to itching (pruritus)
Vital Signs
- Usually normal in early disease
- Fever may be present if cholangitis or infection develops
Abdominal Examination
- Epigastric or right upper quadrant tenderness
- Palpable nontender enlarged gallbladder (Courvoisier sign) with painless obstructive jaundice
- Palpable abdominal mass (occasionally)
- Hepatomegaly if liver metastases are present
- Ascites in advanced disease
Extremities
- Signs of deep vein thrombosis (DVT)
- Migratory superficial thrombophlebitis (Trousseau syndrome)
Investigations
1. Laboratory Tests
- CBC – anemia
- Liver function tests (LFTs) – ↑ bilirubin, ALP, GGT (obstructive jaundice)
- Amylase and lipase
- Blood glucose – may be elevated
- CA 19-9 – tumor marker (used for prognosis and monitoring, not for screening or diagnosis)
- CEA – less specific, may be used as an adjunct
2. Imaging
- Abdominal ultrasound – first test, especially if jaundice is present
- Contrast-enhanced CT abdomen (pancreas protocol) – investigation of choice for detecting the tumor, assessing spread, and determining resectability
- MRI/MRCP – if CT is contraindicated or for better evaluation of bile and pancreatic ducts
3. Confirmatory Tests
- Endoscopic ultrasound (EUS) with fine-needle aspiration (FNA) – gold standard for tissue diagnosis
- Biopsy – confirms pancreatic carcinoma
4. Additional Tests
- ERCP – if biliary obstruction is present; allows stent placement and tissue sampling
- CT chest (or CXR) – to assess for metastasis (staging)
Diagnosis
-Diagnosis of Pancreatic Cancer is based on :
- Clinical suspicion: Painless jaundice, weight loss, epigastric pain radiating to the back
- Abdominal ultrasound: Initial test, especially in patients with jaundice
- Contrast-enhanced CT abdomen (pancreas protocol): Best imaging test to detect the tumor, assess local invasion, metastasis, and resectability
- MRI/MRCP: Alternative if CT is contraindicated or for further evaluation of the pancreatic and biliary ducts
- Endoscopic ultrasound (EUS) with fine-needle aspiration (FNA): Confirms the diagnosis by obtaining tissue for histopathology
- Tumor markers: CA 19-9 (and sometimes CEA) are used for prognosis and monitoring, not for diagnosis or screening
- CT chest (or CXR): Used for staging to assess distant metastasis
Related Topics
Management
1. Resectable Pancreatic Cancer (Curative)
- Surgical resection (only curative treatment)
- Whipple procedure for tumors in the head of the pancreas
- Distal pancreatectomy ± splenectomy for body/tail tumors
- Adjuvant chemotherapy after surgery
- Neoadjuvant therapy may be used for borderline resectable tumors before surgery
2. Unresectable or Metastatic Pancreatic Carcinoma (Palliative)
- Combination chemotherapy (e.g., FOLFIRINOX or gemcitabine-based regimens)
- Radiotherapy in selected patients
3. Supportive (Palliative) Care
- Pain control (WHO analgesic ladder; consider celiac plexus block if severe pain)
- Nutritional support and pancreatic enzyme replacement if needed
- Treat biliary obstruction with ERCP and biliary stent (preferred)
- Manage complications and provide palliative care
Complications
- Metastasis (most commonly to the liver, lymph nodes, lungs, and adjacent organs)
- Obstructive jaundice due to bile duct obstruction
- Cholangitis (infection of the bile ducts)
- Duodenal/gastric outlet obstruction
- Ascites (malignant ascites)
- Venous thromboembolism (VTE), including DVT and pulmonary embolism
- Migratory thrombophlebitis (Trousseau syndrome)
- Disseminated intravascular coagulation (DIC)
- Secondary diabetes mellitus
- Malnutrition and weight loss (cachexia)
- The most common cause of death in pancreatic carcinoma is metastatic disease, especially liver metastasis.
Prognosis
- Pancreatic Cancer has a Very poor prognosis because it is usually diagnosed at an advanced stage.
- Highly aggressive cancer with early local invasion and metastasis.
- Overall 5-year survival rate: ~12.8% (depends mainly on disease stage).
- Metastatic pancreatic cancer: ~3% 5-year survival.
- Patients who undergo successful surgical resection have a median survival of ~18 months and a 5-year survival of ~20%.
Key Points / Clinical Pearls
- 95% of Pancreatic Cancer are ductal adenocarcinomas.
- Most tumors occur in the head of the pancreas (65%).
- Smoking is the most important risk factor.
- Classic triad: Painless jaundice + weight loss + epigastric pain radiating to the back.
- CT pancreas protocol is the imaging test of choice.
- EUS-guided FNA provides the definitive diagnosis.
- CA 19-9 is used for monitoring, not for screening.
- Whipple procedure is the only potentially curative treatment for resectable head tumors.
- Liver is the most common site of metastasis.
- Prognosis is poor because most patients present with advanced disease.
- National Center for Biotechnology Information (NIH). Pancreatic Pseudocyst, StatPearls.
- Banks PA, Bollen TL, Dervenis C, et al; Acute Pancreatitis Classification Working Group. Classification of Acute Pancreatitis - 2012: Revision of the Atlanta Classification and Definitions by International Consensus. Gut. 2013;62:102-111.
- Pancreatic Pseudocyst: The Past, the Present, and the Future. World J Gastroenterol. PMC11287700.
- Systematic Review Comparing Endoscopic, Percutaneous and Surgical Pancreatic Pseudocyst Drainage. World J Gastroenterol. PMC4804189.
- MedlinePlus, National Library of Medicine (NIH). Pancreatic Pseudocyst: Medical Encyclopedia.
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